Both convolution Backprojection (CBP) method and direct-Fourier (DF) reconstruction method are the representative algorithms of transform methods in image reconstruction.
卷积反投影(CBP)与直接傅立叶重建(DF)同是图像重建中变换法的典型算法。
Mathematical representations for three kinds of reconstruction algorithms (Fresnel integral, convolution and Fourier transform) of digital hologram are deduced based on the diffraction theory.
在衍射理论基础上详细推导了三种再现算法(菲涅耳积分变换法、卷积法、傅立叶变换法)的数学表示。
These noises can be considered to be composed through convolution of many kinds of excitation source and the transform function of oceanic acoustic channel.
该辐射噪声可视为周期性激励与信道传递函数的卷积构成。
One way of using Linear Convolution Transform (CZT) has been presented to improve the accuracy.
文中提出采用线性调频Z变换的方法来提高时延估计的精度。
Study two of the most important basic operations in digital image processing: 2-D Discrete Fourier Transform and 2-D Discrete Convolution Transform. Map them on RCA.
研究了数字图像处理中两种最常用的算子——离散二维傅立叶变换和离散二维卷积，并给出了它们在RCA上的映射策略和映射过程。
Study two of the most important basic operations in digital image processing: 2-D Discrete Fourier Transform and 2-D Discrete Convolution Transform. Map them on RCA.
研究了数字图像处理中两种最常用的算子——离散二维傅立叶变换和离散二维卷积，并给出了它们在RCA上的映射策略和映射过程。
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